Brass ball valves/new type ball valve Brass screwed ball valve, Marine boat brass ball valves, 2-piece type, npt thread, 1". Material: brass Ball: stainless steel Thread: 1" npt thread 1. High quality brass material, 2.16 years' experience in manufacturing hvac&r fittings; 3.According to your requirements to make products 4.Fast delivery, good export packing way. 5.Warm service, competitive price